Quick Search Quick Search
We are Here to Help! Call a Parts Expert!
Caterpillar 321B Excavator Parts | Aftermarket New, Used and Rebuilt

Caterpillar 321B Excavator Final Drives

New Aftermarket, Used and Rebuilt 321B Final Drives

Looking for Caterpillar 321B Excavator Final Drives? We sell a wide range of new aftermarket, used and rebuilt 321B replacement final drives to get your machine back up and running quickly. Fast online quotes.


Our friendly parts specialist are standing by to assist you.
1-800-255-6253
321B 148-4696

148-4696

  • Part #: 148-4696
  • Weight: 751.00
  • Fits Machine(s): 318C, 320CL, 320C, 320D GC, 320D LN, 320D LRR, 320D2L, 320D2, 320E LN, 320E RR, 320EL, 320L, 323D LN, 323DL, 320BL, 320B, 320D RR, 320D2GC, 320E LRR, 320E, 321B, 321C, 321D CR, 321D LCR, 322BL, 322B, 322L, 323D
View Part
321B 320//322/325//330b Travel Motor with Brake Valve

320//322/325//330b Travel Motor with Brake Valve

  • Part #: 1077028
  • Weight: 168.00
  • Fits Machine(s): 318, 320BL, 320B, 320CL, 320C, 320D GC, 320D LN, 320D LRR, 320D2L, 320D2, 320E LN, 320E RR, 320EL, 320E, 320L, 321B, 321D CR, 322BL, 322B, 322L, 323D LN, 323DL, 315C, 320D RR, 320D2GC, 320E LRR, 321C, 321D LCR, 323D
View Part
321B Bearings

Bearings

  • Fits Machine(s): 321B
View Part
321B Complete Final Drive (planetary/travel Drive) with Motor

Complete Final Drive (planetary/travel Drive) with Motor

  • Part #: 135-6179
  • Weight: 751.00
  • Fits Machine(s): 320D GC, 320D LN, 320D LRR, 320D2L, 320D2, 320E LN, 320E RR, 320EL, 320L, 323D LN, 323DL, 320BL, 320B, 320CL, 320C, 320D RR, 320D2GC, 320E LRR, 320E, 321B, 321C, 321D CR, 321D LCR, 322BL, 322B, 322L, 323D
View Part
321B Complete Final Drive (planetary/travel Drive) with Motor

Complete Final Drive (planetary/travel Drive) with Motor

  • Part #: 270-8170
  • Weight: 751.00
  • Fits Machine(s): 320D GC, 320D LN, 320D LRR, 320D2L, 320D2, 320E LN, 320E RR, 320EL, 320L, 323D LN, 323DL, 320BL, 320B, 320CL, 320C, 320D RR, 320D2GC, 320E LRR, 320E, 321B, 321C, 321D CR, 321D LCR, 322BL, 322B, 322L, 323D
View Part
321B Complete Final Drive (planetary/travel Drive) with Motor

Complete Final Drive (planetary/travel Drive) with Motor

  • Part #: 353-0609
  • Weight: 751.00
  • Fits Machine(s): 320D GC, 320D LN, 320D LRR, 320D2L, 320D2, 320E LN, 320E RR, 320EL, 320L, 323D LN, 323DL, 320BL, 320B, 320CL, 320C, 320D RR, 320D2GC, 320E LRR, 320E, 321B, 321C, 321D CR, 321D LCR, 322BL, 322B, 322L, 323D, 323EL, 323E
View Part
321B Drive Motor ONLY

Drive Motor ONLY

  • Part #: 216-0043
  • Weight: 300.00
  • Fits Machine(s): 320BL, 320B, 320CL, 320C, 320D GC, 320D LN, 320D LRR, 320D2L, 320D2, 320E LN, 320E RR, 320EL, 320E, 320L, 321B, 321D CR, 322BL, 322B, 322C L, 322L, 323D LN, 323DL, 315C, 320D RR, 320D2GC, 320E LRR, 321C, 321D LCR, 323D
View Part
*Sample Image Shown
321B Final Drive Asy

Final Drive Asy

  • Part #: 114-1484
  • Weight: 587.88
  • Fits Machine(s): 320D GC, 320D LN, 320D LRR, 320D2L, 320D2, 320E LN, 320E RR, 320E, 320L, 321D CR, 321D LCR, 322L, 323D LN, 323DL, 320BL, 320B, 320CL, 320C, 320D RR, 320D2GC, 320E LRR, 320EL, 321B, 321C, 322BL, 322B, 323D
View Part
*Sample Image Shown
321B Final Drive Asy

Final Drive Asy

  • Part #: 227-6035
  • Weight: 626.00
  • Fits Machine(s): 318C, 318EL, 320C L, 320D L, 320D GC, 320D LN, 320D LRR, 320D2L, 320D2, 320E LN, 320E RR, 320EL, 320E, 320L, 321D CR, 321D LCR, 322L, 323D LN, 323DL, 320BL, 320B, 320CL, 320C, 320D RR, 320D2GC, 320E LRR, 321B, 321C, 322BL, 322B, 323D
View Part
*Sample Image Shown
321B Final Drive Asy

Final Drive Asy

  • Part #: 227-6949
  • Weight: 587.88
  • Fits Machine(s): 320D GC, 320D LN, 320D LRR, 320D2L, 320D2, 320E LN, 320E RR, 320E, 320L, 321D CR, 321D LCR, 322L, 323D LN, 323DL, 320BL, 320B, 320CL, 320C, 320D RR, 320D2GC, 320E LRR, 320EL, 321B, 321C, 322BL, 322B, 323D
View Part
*Sample Image Shown
321B Final Drive Asy

Final Drive Asy

  • Part #: 296-6299
  • Weight: 587.88
  • Fits Machine(s): 318C, 318EL, 320D GC, 320D LN, 320D LRR, 320D2L, 320D2, 320E LN, 320E RR, 320EL, 320E, 320L, 321D CR, 321D LCR, 322L, 323D LN, 323DL, 320BL, 320B, 320CL, 320C, 320D RR, 320D2GC, 320E LRR, 321B, 321C, 322BL, 322B, 323D
View Part
*Sample Image Shown
321B Final Drive Asy

Final Drive Asy

  • Part #: 353-0615
  • Weight: 587.88
  • Fits Machine(s): 318C, 318EL, 320D GC, 320D LN, 320D LRR, 320D2L, 320D2, 320E LN, 320E RR, 320EL, 320E, 320L, 321D CR, 321D LCR, 322L, 323D LN, 323DL, 320BL, 320B, 320CL, 320C, 320D RR, 320D2GC, 320E LRR, 321B, 321C, 322BL, 322B, 323D
View Part
321B Final Drive Gearbox without Propel Motor

Final Drive Gearbox without Propel Motor

  • Part #: AMS1
  • Weight: 605.00
  • Fits Machine(s): 320BL, 320B, 320CL, 320C, 320D GC, 320D LN, 320D LRR, 320D RR, 320D2GC, 320D2L, 320D2, 320E LN, 320E LRR, 320E RR, 320EL, 320E, 320L, 321B, 321C, 321D CR, 321D LCR, 322BL, 322B, 322L, 323D LN, 323DL, 323D
View Part
321B Floating Face Seal

Floating Face Seal

  • Fits Machine(s): 321B
View Part
321B Hydraulic Axial Piston Motor

Hydraulic Axial Piston Motor

  • Part #: 187-4127
  • Weight: 141.10
  • Fits Machine(s): 322CFMLGP, 320BL, 320B, 320CL, 320C, 320D GC, 320D LN, 320D LRR, 320D2L, 320D2, 320E LN, 320E RR, 320EL, 320E, 320L, 321B, 321D CR, 322BL, 322B, 322L, 323D LN, 323DL, 324D FM, 315C, 320D RR, 320D2GC, 320E LRR, 321C, 321D LCR, 323D
View Part
321B Planetary Gears

Planetary Gears

  • Fits Machine(s): 321B
View Part
321B Seals

Seals

  • Fits Machine(s): 321B
View Part
321B Shaft

Shaft

  • Fits Machine(s): 321B
View Part
321B Travel Motor

Travel Motor

  • Part #: 2042674
  • Fits Machine(s): 320BL, 320B, 320CL, 320C, 320D GC, 320D LN, 320D LRR, 320D2L, 320D2, 320E LN, 320E RR, 320EL, 320E, 320L, 321B, 321D CR, 322BL, 322B, 322L, 323D LN, 323DL, 325CL, 315C, 320D RR, 320D2GC, 320E LRR, 321C, 321D LCR, 323D
View Part

Don't see your machine or part?

We are Here to Help!
Don't see what you're looking for? New aftermarket, used and rebuilt options!

Need a little extra help? Give one of our friendly, knowledgeable parts experts a call and we'll have your machine back up and running in no time.

Call a Parts Expert!
Part Sales Account Executive